Energy efficiency in the fruit and vegetables industry In the industry that processes fruit and…

Energy efficiency in the fruit and vegetables industry In
the industry that processes fruit and vegetables, the following products can be
distinguished (in parentheses the typical value for the specific energy
consumption is given for each of the product groups):

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• canned fruit and vegetables (2 MJ/kg)

• frozen fruit and vegetables (8 MJ/kg)

• dried fruit and vegetables (15 MJ/kg) In Table 10.8
some fictitious information is given about the fruit and vegetables processing
industry in three countries in a recent year.

a. Give an expression to calculate the energy efficiency
index.

b. Which of the three countries quoted in the table is
most energy-efficient, based on the information that you have? Provide the
calculation.

c. Give two reasons why the conclusion drawn in (b) might
be wrong.

 

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